/*
 * @Author: szx
 * @Date: 2022-05-23 14:54:33
 * @LastEditTime: 2022-05-23 14:58:00
 * @Description:
 * @FilePath: \leetcode\面试题\08\09\09.js
 */
/**
 * @param {number} n
 * @return {string[]}
 */
括号